这是网关的配置
server:
port: 7001
spring:
application:
name: GATEWAY
cloud:
consul:
host: localhost
port: 8500
gateway:
routes:
- id: client-router
uri: lb://CLIENT
predicates:
- Path=/demoClient/**
- id: provider-router
uri: lb://PROVIDER
predicates:
- Path=/demo
访问时报500
异常如下：
2022-04-04 09:17:26.580 ERROR 2260 --- [ctor-http-nio-5] a.w.r.e.AbstractErrorWebExceptionHandler : [b8cff30a-1] 500 Server Error for HTTP GET "/demo"
io.netty.resolver.dns.DnsResolveContext$SearchDomainUnknownHostException: Search domain query failed. Original hostname: 'luodj.mshome.net' failed to resolve 'luodj.mshome.net.HOST' after 4 queries
at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1046) ~[netty-resolver-dns-4.1.70.Final.jar:4.1.70.Final]
Suppressed: reactor.core.publisher.FluxOnAssembly$OnAssemblyException:
Error has been observed at the following site(s):
*__checkpoint ⇢ org.springframework.cloud.gateway.filter.WeightCalculatorWebFilter [DefaultWebFilterChain]
*__checkpoint ⇢ org.springframework.boot.actuate.metrics.web.reactive.server.MetricsWebFilter [DefaultWebFilterChain]
*__checkpoint ⇢ HTTP GET "/demo" [ExceptionHandlingWebHandler]
Original Stack Trace:
at io.netty.resolver.dns.DnsResolveContext.finishResolve(DnsResolveContext.java:1046) ~[netty-resolver-dns-4.1.70.Final.jar:4.1.70.Final]
at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:999) ~[netty-resolver-dns-4.1.70.Final.jar:4.1.70.Final]
at io.netty.resolver.dns.DnsResolveContext.query(DnsResolveContext.java:417) ~[netty-resolver-dns-4.1.70.Final.jar:4.1.70.Final]
at io.netty.resolver.dns.DnsResolveContext.tryToFinishResolve(DnsResolveContext.java:970) ~[netty-resolver-dns-4.1.70.Final.jar:4.1.70.Final]
at io.netty.resolver.dns.DnsResolveContext.access$700(DnsResolveContext.java:65) ~[netty-resolver-dns-4.1.70.Final.jar:4.1.70.Final]
at io.netty.resolver.dns.DnsResolveContext$2.operationComplete(DnsResolveContext.java:470) ~[netty-resolver-dns-4.1.70.Final.jar:4.1.70.Final]
at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:578) [netty-common-4.1.70.Final.jar:4.1.70.Final]
at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:571) [netty-common-4.1.70.Final.jar:4.1.70.Final]
at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:550) [netty-common-4.1.70.Final.jar:4.1.70.Final]
at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:491) [netty-common-4.1.70.Final.jar:4.1.70.Final]
at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:616) [netty-common-4.1.70.Final.jar:4.1.70.Final]
at io.netty.util.concurrent.DefaultPromise.setSuccess0(DefaultPromise.java:605) [netty-common-4.1.70.Final.jar:4.1.70.Final]
at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:104) [netty-common-4.1.70.Final.jar:4.1.70.Final]
at io.netty.resolver.dns.DnsQueryContext.trySuccess(DnsQueryContext.java:200) ~[netty-resolver-dns-4.1.70.Final.jar:4.1.70.Final]
at io.netty.resolver.dns.DnsQueryContext.finish(DnsQueryContext.java:192) ~[netty-resolver-dns-4.1.70.Final.jar:4.1.70.Final]
at io.netty.resolver.dns.DnsNameResolver$DnsResponseHandler.channelRead(DnsNameResolver.java:1301) ~[netty-resolver-dns-4.1.70.Final.jar:4.1.70.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379) ~[netty-transport-4.1.70.Final.jar:4.1.70.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365) ~[netty-transport-4.1.70.Final.jar:4.1.70.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357) ~[netty-transport-4.1.70.Final.jar:4.1.70.Final]
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103) ~[netty-codec-4.1.70.Final.jar:4.1.70.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379) ~[netty-transport-4.1.70.Final.jar:4.1.70.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365) ~[netty-transport-4.1.70.Final.jar:4.1.70.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357) ~[netty-transport-4.1.70.Final.jar:4.1.70.Final]
at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410) ~[netty-transport-4.1.70.Final.jar:4.1.70.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379) ~[netty-transport-4.1.70.Final.jar:4.1.70.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365) ~[netty-transport-4.1.70.Final.jar:4.1.70.Final]
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919) ~[netty-transport-4.1.70.Final.jar:4.1.70.Final]
at io.netty.channel.nio.AbstractNioMessageChannel$NioMessageUnsafe.read(AbstractNioMessageChannel.java:97) ~[netty-transport-4.1.70.Final.jar:4.1.70.Final]
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:719) ~[netty-transport-4.1.70.Final.jar:4.1.70.Final]
at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:655) ~[netty-transport-4.1.70.Final.jar:4.1.70.Final]
at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:581) ~[netty-transport-4.1.70.Final.jar:4.1.70.Final]
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493) ~[netty-transport-4.1.70.Final.jar:4.1.70.Final]
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986) ~[netty-common-4.1.70.Final.jar:4.1.70.Final]
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[netty-common-4.1.70.Final.jar:4.1.70.Final]
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[netty-common-4.1.70.Final.jar:4.1.70.Final]
at java.lang.Thread.run(Thread.java:748) ~[na:1.8.0_201]